They had to repeat the scene because the cameras weren't rolling.
他们只好重新拍摄这个镜头，因为摄影机没有启动。
《牛津词典》
2
There was one combination that came out that had us rolling in laughter, but I can't repeat it here.
还有一个组合可能会让大家笑得前仰后翻，但我还是不要在这里重复了。
3
Lift the head slightly, rolling it, and rotate the neck slowly toward one shoulder. Hold for one second, release, and repeat this movement the other way.